Plastic production is increasing sharply. This has raised concerns about the effects of microplastics (typically defined as plastic particles smaller than 5 millimetres in diameter) and nanoplastics ...

Willie Peijnenburg is at the Institute of Environmental Sciences, Leiden University, 2230 RA Leiden, the Netherlands, and is also at the National Institute of Public Health and the Environment, Centre ...

Every fall, a huge number of dead leaves drop into the river and sink to the bottom, where they are consumed by a large ...

It is a common misconception that the leaves of tomato plants are poisonous to humans. It is true that they contain trace amounts of solanine and tomatine, which are toxic components found in other ...

How do plants breathe? When do they open and close the tiny pores on their leaves, and what does this mean for their water ...